30102000 has 160 divisors (see below), whose sum is σ = 100975680. Its totient is φ = 7705600.

The previous prime is 30101999. The next prime is 30102031. The reversal of 30102000 is 20103.

It is a super-2 number, since 2×30102000² = 1812260808000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 30102000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173914 + ... + 174086.

It is an arithmetic number, because the mean of its divisors is an integer number (631098).

Almost surely, 2^30102000 is an apocalyptic number.

30102000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50487840).

30102000 is an abundant number, since it is smaller than the sum of its proper divisors (70873680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30102000 is a wasteful number, since it uses less digits than its factorization.

30102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 30102000 is about 5486.5289573646. The cubic root of 30102000 is about 311.0750052581.

Adding to 30102000 its reverse (20103), we get a palindrome (30122103).

The spelling of 30102000 in words is "thirty million, one hundred two thousand".